QuickBooks Error 15240 frequently results from corrupted data, improper system settings, or antivirus interference when payroll updates or applications are installed. Payroll processing may be impacted by this mistake and updates may be prevented. Usually, fixing it entails changing system permissions, temporarily turning off antivirus software, or fixing the QuickBooks installation to enable seamless operation again. Call 1.855.738.2784 for expert guidance and help with QuickBooks.